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tools: print version number in libinput-list-devices

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Makes debugging a bit easier when you can just ask users to do that instead of
digging around in whatever packaging system they have.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-By: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Peter Hutterer 2015-04-29 07:53:56 +10:00
parent a7b2d04e90
commit 6b6f8151a4
1 changed files with 28 additions and 10 deletions
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38
tools/libinput-list-devices.c
View file

@ -30,6 +30,7 @@
#include <libudev.h>
#include <libinput.h>
#include <libinput-version.h>
#include "shared.h"
@ -240,6 +241,23 @@ print_device_notify(struct libinput_event *ev)
printf("\n");
}
static inline void
usage(void)
{
printf("Usage: %s [--help|--version]\n"
"\n"
"This tool creates a libinput context on the default seat \"seat0\"\n"
"and lists all devices recognized by libinput and the configuration options.\n"
"Where multiple options are possible, the default is prefixed with \"*\".\n"
"\n"
"Options:\n"
"--help ...... show this help\n"
"--version ... show version information\n"
"\n"
"This tool requires access to the /dev/input/eventX nodes.\n",
program_invocation_short_name);
}
int
main(int argc, char **argv)
{
@ -248,16 +266,16 @@ main(int argc, char **argv)
struct libinput_event *ev;
if (argc > 1) {
printf("Usage: %s [--help]\n"
"\n"
"This tool creates a libinput context on the default seat \"seat0\"\n"
"and lists all devices recognized by libinput and the configuration options.\n"
"Where multiple options are possible, the default is prefixed with \"*\".\n"
"\n"
"This tool requires access to the /dev/input/eventX nodes.\n",
program_invocation_short_name);
return 1;
if (strcmp(argv[1], "--help") == 0) {
usage();
return 0;
} else if (strcmp(argv[1], "--version") == 0) {
printf("%s\n", LIBINPUT_VERSION);
return 0;
} else {
usage();
return 1;
}
}
tools_init_options(&options);